diff options
| author | nobled <nobled@dreamwidth.org> | 2010-08-29 20:03:37 -0400 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2010-08-30 13:59:18 -0700 |
| commit | 2a50187a923eb8950bc8b63f50eaea4704d6dc36 (patch) | |
| tree | 7a9d8a4b8089592ac2b9d06cc3e5d63b57375995 /configure.ac | |
| parent | e637f8b40c426d6ae79e0215fa8865d50326812f (diff) | |
Make configure work with clang
It was mistaking clang for gcc and deciding its version
was too low.
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 45188544fb..cf2e200db3 100644 --- a/configure.ac +++ b/configure.ac @@ -48,9 +48,23 @@ solaris*) ;; esac +dnl clang is mostly GCC-compatible, but its version is much lower, +dnl so we have to check for it. +AC_MSG_CHECKING([if compiling with clang]) + +AC_COMPILE_IFELSE( +[AC_LANG_PROGRAM([], [[ +#ifndef __clang__ + not clang +#endif +]])], +[CLANG=yes], [CLANG=no]) + +AC_MSG_RESULT([$CLANG]) + dnl If we're using GCC, make sure that it is at least version 3.3.0. Older dnl versions are explictly not supported. -if test "x$GCC" = xyes; then +if test "x$GCC" = xyes -a "x$CLANG" = xno; then AC_MSG_CHECKING([whether gcc version is sufficient]) major=0 minor=0 |